"The Wolo 'Deputy' system provides a powerful 12V, 100 Watt full-feature siren and PA system with 3 separate siren sounds Yelp, Hi-Lo and Wail. Rotary control with manual override that user can press and hold to get two additional siren sounds. PA system includes noise canceling microphone permanently mounted to controller that provides high-quality voice amplification without feedback or squeal. Portable Permanent mount, No Slip Hand Grip No, Horns Included No, Multiple Tone Yes, 3, Works With Wolo Speaker Item# 700558, Product Style Emergency, Adapters Included No, Remote Panel Control Yes, Dimensions L x W x H in. 6 x 7.5 x 2.5, Chrome Plated No, Microphone Included Yes, Mounting Hardware Included No, Music Book Included No, Compressor Included No, Mounting Type Swing mount. Push-to-talk button overrides siren sound Controller features black enamel-painted metal construction LED-illuminated control panel and adjustable metal chrome-plated swing bracket Designed for use with Wolo 4003 speaker Item# 700558 or other 100 Watt, 4 or 8 ohm speakers sold separately"